History 
The history of national statistics services for the past three decades
- 2010
- Planning to provide a total of 525 kinds of statistics produced by 119 statistical organizations through an integrated DB
- 2009
- (The fourth year)
Planning to integrate 70 kinds of statistics produced by 7 statistical organizations/ Continuous expansion of national statistics Web portal services
- 2008
- (The third year)
Integrated 165 kinds of statistics that were produced by 44 statistical organizations/ Expanded national statistics Web portal services (KOSIS)
- 2007
- (The second year)
Integrated 78 kinds of statistics that were produced by 29 statistical organizations/ Began national statistics Web portal services/ Renamed as KOSIS (Korea Statistical Information Service)
- 2006
- (The first year)
Integrated 212 kinds of statistics that were produced by 39 statistical organizations/ Began to build an integrated national statistics DB
- 2005
- ISP for building an integrated national statistics DB
- 2003
- Began Window-based KOSIS services
- 1999
- Began STAT-KOREA services
- 1998
- Began statistical DB services for the public users/ Began English version KOSIS services.
- 1993
- Designed and developed a relational statistical DB
- 1991
- Began statistical DB services for governmental organizations/ Named as KOSIS (Korea Statistical Information System).
- 1980
- Began statistical DB services for the Statistics Korea staff
- 1976
- Designed and developed a hierarchical statistical DB